HT Games
The PSP's internal storage varies by model. All except the PSPgo support Memory Stick PRO Duo expansion.
| Model | Internal Storage | Expandable? |
|---|---|---|
| PSP-1000 (Original) | 32 MB (system) / 0 MB user | Yes (Memory Stick PRO Duo) |
| PSP-2000 (Slim & Lite) | 64 MB (system) / 0 MB user | Yes |
| PSP-3000 | 64 MB (system) / 0 MB user | Yes |
| PSP-N1000 (PSPgo) | 16 GB (built-in flash) | No (no Memory Stick slot) |
| PSP-E1000 (Street) | 64 MB (system) / 0 MB user | Yes |
For game storage, buy a high-capacity Memory Stick PRO Duo (SanDisk, Sony) or microSD-to-MS adapter for non-go models.